Cambridge Municipal Airport is three miles south of Cambridge, in Guernsey County, Ohio. The FAA's National Plan of Integrated Airport Systems for 2011âÂÂ2015 categorized it as a general aviation facility.
Many U.S. airports use the same three-letter location identifier for the FAA and IATA, but this facility is CDI to the FAA and has no IATA code.
The airport replaced an earlier field north of the city.
Efforts to secure land for a new airport began as early as late October 1966.
The airport received a grant to resurface the runway in July 1985.
In 2002, the airport received a federal grant for runway improvements and perimeter fencing.
In 2013, a gas and oil development near the airport exploded, necessitating repairs at the airport. Updates include the replacement of two obstruction light poles and compliance issues essential for a runway extension. The rotating beacon was also replaced.
In 2020, the airport received a federal grant to purchase of land in the flight path of the runway and conduct an obstruction study.
In 2022, the airport received $1.3 million from the Federal Aviation Administration to rebuild its ramp and rehabilitate a taxilane. The money funded the airport's first major renovation in 20 years and was aimed to prevent aircraft damage caused by excavation and fuel tank removals.
The airport covers at an elevation of 799 feet (244 m). Its single runway, 4/22, is 4,298 by 75 feet (1,310 x 23 m) asphalt.
For the 12-month period ending June 3, 2022 the airport had 1,352 aircraft operations, average 26 per week: 62% general aviation, 35% air taxi, and 3% military. For the same time period, 14 aircraft were based at the airport: 11 single-aisle airplanes, 2 ultralights, and 1 helicopter. These are down from 6,040 and 22 based aircraft in 2010.
The airport has a fixed-base operator that sells fuel, both avgas and jet fuel, and offers amenities such as aircraft hangars, courtesy cars, internet, conference rooms, a crew lounge, snooze rooms, and more.
An airplane is mounted on a pedestal in front of the airport as a memorial to Major James "Bill" Reed, a local pilot who was killed in the Vietnam War.